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Quadrilateral
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Quadrilateral
Know More About :- Kite
Quadrilateral
In Euclidean plane geometry, a quadrilateral is a polygon with four sides (or edges) and four vertices or
corners.
Sometimes, the term quadrangle is used,...
[Di più]
Math.
Edurite.
com Page : 1/3
Quadrilateral
Know More About :- Kite
Quadrilateral
In Euclidean plane geometry, a quadrilateral is a polygon with four sides (or edges) and four vertices or
corners.
Sometimes, the term quadrangle is used, by analogy with triangle, and sometimes tetragon for
consistency with pentagon (5-sided), hexagon (6-sided) and so on.
The origin of the word "quadrilateral" is the two Latin words quadri, a variant of four, and latus,
meaning "side.
"
Quadrilaterals are simple (not self-intersecting) or complex (self-intersecting), also called crossed.
Simple quadrilaterals are either convex or concave.
The interior angles of a simple quadrilateral ABCD add up to 360 degrees of arc, that is
This is a special case of the n-gon interior angle sum formula (n − 2) × 180°.
In a crossed quadrilateral,
the interior angles on either side of the crossing add up to 720°.
A parallelogram is a quadrilateral with two pairs of parallel sides.
Equivalent conditions are that
op
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